From Longman Dictionary of Contemporary Englishecologye‧col‧o‧gy /ɪˈkɒlədʒi $ ɪˈkɑː-/ ●●○ noun [singular, uncountable]SGEthe way in which plants, animals, and people are related to each other and to their environment, or the scientific study of this → environmentthe natural ecology of the Earthplant ecologyCOLLOCATIONSADJECTIVES/NOUN + ecologyfragile (=weak or damaged, and in danger of being destroyed completely)Exploring for oil will damage the island’s fragile ecology.plant/animal ecology (=the animals, plants etc that live in a particular place)a new book about the plant ecology of this fascinating areamarine ecology (=in the sea)Not much is known about the marine ecology of the Red Sea.rainforest ecology (=in a tropical rain forest)a new study of rainforest ecology